Pablo Neira Ayuso wrote:
Patrick McHardy wrote:
I'm also sure you could decrease overhead far more by choosing a proper
allocation size without affecting functionality thats apparently useful
for some people.
Please, elaborate this a bit.
ctnetlink currently allocates skb of NLMSG_GOODSIZE size, which is
4k on most architectures, but the actual messages are far smaller.
When more than 50% of the skb are unused, af_netlink reallocates
the skb, copying the entire data.
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